mattress noun Stress: first syllable 🤍 Save Syllables: mat-tress (2) English Definition A large, resilient pad for supporting the reclining body, used as or on a bed. Example Sentence He bought a new mattress. US IPA /ˈmætrəs/ 🔊 Listen US UK IPA /ˈmætrəs/ 🔊 Listen UK Synonyms bed futon pad cushion Share this Word Facebook WhatsApp X Telegram Copy Link